• This topic has 35 replies, 22 voices, and was last updated 13 years ago by Keef.
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  • Single Speed Ratios for a 29er!
  • tk46hal
    Free Member

    What are other people using on their S/S 29ers?

    tazzymtb
    Full Member

    it makes no difference, they’re only for show not actually riding you know 😀

    Clink
    Full Member

    32:18 for general use – Mendips, Quantocks.

    tazzymtb
    Full Member

    follow the words of wisdom of my favorite beardy SS racers Fuzzy and dejay and use a 33-18 to 33-21 with a rotor ring depending on the course.

    Or a Neddy Overend and use a 34 rotor ring with a 21 rear.

    Stoner
    Free Member

    32:18 on Mt Malvern. Although sometimes I wish it was 18:32

    hungrymonkey
    Free Member

    32:19 in scotchland, 32:17 in england (MASSIVE GENERALISATION ALERT)

    will be 32:20 in the alps.

    tk46hal
    Free Member

    Interesting! I rode 25miles today over rock, bridals and some tarmac using only the same gear on my 27 gear Scandal! 32 middle at the front and the forth one up at the rear, 17 I think? It felt OKish and maybe an eighteen could be right! A 19 sprocket which I have purchased could be too easy?

    epo-aholic
    Free Member

    32:18 on a 29er is the same as a 32:16 on a 26er so I guess these are the standards but it depends on what sort of peddler you are……

    Bimbler
    Free Member

    32:18 in the summer/dry, 32:20 in the winter/slop, much better for the old knees

    tk46hal
    Free Member

    Cheers all!

    rOcKeTdOg
    Full Member

    What’s a “bridal” is it a fair where you buy wedding dresses?

    ssboggy
    Full Member

    Might be a stuipd question but how do you use a rotor ring on a ss, i am assuming you need a sprung rear tensioner?

    tk46hal
    Free Member

    Sorri! Nat a scool a te momont!
    Bridle! 😛

    tazzymtb
    Full Member

    ssboggy – works fine with a pukka ss, none of this tensioner cack. You set the tension the cranks at a 4-5 O’clock position which puts the highest tension on the chain, the slighter slacker spot on chainring doesn’t cause any issues. I’ve had the chain skip off once and that was due to a sliding drop out/chaintug issue. 😀

    dawson
    Full Member

    /quote
    Sorri! Nat a scool a te momont!
    Bridle!
    /quote

    could somebody translate that please?

    Been experimenting with ratios using what I already had and what came with second hand wheels and cranks I’ve bought.

    34×20, 3.7m felt a bit low.
    32×18, 3.8m also felt a bit low.
    34×18, 4.1m was definitely too high.

    I’ve gone back to 32×18 for now. It’s a bit spinny at times, but I’m doing longer rides now the weather’s warmer, so I can put up with that if it makes the climbs easier.
    I’ll stick with it until the sprockets wear out, then I’ll probably give 34×19, 3.9m a go.

    mjp
    Free Member

    32 / 20. Around Otley, Baildon and it still hurts!

    Looking at evryone elses gearing I must be bloody unfit!

    Matthew.

    Rorschach
    Free Member

    33-19.

    lipseal
    Free Member

    Anyone use 38:16?

    Rorschach
    Free Member

    Only on the cx!!

    lipseal
    Free Member

    So is 36:18 the same as 38:16?

    Put the numbers in here.
    http://sheldonbrown.com/gears/

    It’s a lot easier to understand ratios when everything is converted to a single number.
    The Metres Development is only to one decimal place, or 100mm though.
    The Gear Inches is more accurate, at .1″ or 2.54mm, so better for calculating slight differences.

    pedalhead
    Free Member

    32:19 gets me up pretty much anything ’round my part of the Chilterns (except that flippin Stonor climb). Spinny on the flat bits though…good job there’s aren’t many of those 🙂

    thekingofsweden
    Full Member

    Just the one ss ratio does for me 🙂

    takisawa2
    Full Member

    32:18 around Cannock Chase (not the Monkey/FtD bit). Think it was in 32:20 when I did the Monkey Trail on it, & it felt ok but stupidlt spinny elsewhere. I was running two at the rear & swapped to suit. Just put a dedicated ss rear wheel on so now its stuck at 32:18.

    bunnerscj
    Free Member

    32:20 South Downs area Brighton.Seems to be good but does spin oout on the flat….I like my knees though :oD

    mocha
    Free Member

    32:19 in the South Pennines, 36:20 on the Pugsley

    Sam
    Full Member

    34-19 here most of the time

    miketually
    Free Member

    32:18 on the borrowed TD-1 was fine for 12 hours at Hit The North and for 100 miles at Kielder.

    tazzymtb
    Full Member

    mike – you have mail regarding the freakybeast proto

    Keef
    Free Member

    34/19 mostly.
    33/20 day out rides,where there may be gearie mates(so’s not to embarass ’em toooooo much 😉 )

    tazzymtb
    Full Member

    surely for riding a single speed 29er all you need is the gear of “mince”

    miketually
    Free Member

    YGM back 🙂

    Keef
    Free Member

    Tazz,who gave you permision to use that photo of me ?………

    tazzymtb
    Full Member

    keef, it’s from my shrine in homage to you, All stuck to the wall with “the special stuff”

    EDIT: are those jones H bars in the pic?

    Keef
    Free Member

    Tazz, you knows it ,’big boy’ :mrgreen:

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